### Name: sizeplot
### Title: Plot with repeated symbols by size
### Aliases: sizeplot
### Keywords: hplot

### ** Examples

 x <- c(0.1,0.1,0.1,0.1,0.1,0.2,0.2,0.2,0.2,0.3,0.3)
 y <- c( 1,  1,  1,  1,  2,  2,  2,  3,  3,  4,  5 )
 plot(x,y)
 sizeplot(x,y)
 sizeplot(x,y,pch=2)



